Add/Remove horizontal lines from grid

`Drag` + `Up Arrow` / `down arrow`

All hotkeys for Adobe Illustrator CC (MacOS)

Drawing Shortcuts Constrain Shape proportion/orientation	`Shift` + `Drag`
Drawing Shortcuts Draw from center of shape/Keep the sides of star straight	`Option` + `Drag`
Drawing Shortcuts Keep inner radius of star constant	`Drag` + `Hold Command`
Drawing Shortcuts Increase/Decrease polygon side,star points,arc angle,spiral,flare rays	`Drag` + `Up Arrow`
Drawing Shortcuts Switch Open/Closed arc	`Drag` + `Hold C`
Drawing Shortcuts Flip arc	`Drag` + `Hold F`
Drawing Shortcuts Move shape while drawing	`Spacebar` + `Drag`
Drawing Shortcuts Decrease skew value for horizontal dividers in rectangular grid/radial divider in polar grid by 10%	`Drag` + `F`
Drawing Shortcuts Increase skew value for horizontal dividers in rectangular grid/radial divider in polar grid by 10%	`Drag` + `V`
Drawing Shortcuts Decrease skew value for vertical dividers in rectangular grid/concentric divider in polar grid by 10%	`Drag` + `X`
Drawing Shortcuts Increase skew value for vertical dividers in rectangular grid/concentric divider in polar grid by 10%	`Drag` + `C`
Drawing Shortcuts Add/Remove horizontal lines from grid	`Drag` + `Up Arrow` / `down arrow`
Drawing Shortcuts Add/Remove vertical lines from grid	`Drag` + `Right Arrow` / `Left Arrow`
Drawing Shortcuts Change decay rate of spiral	`Drag` then `Command` + `Drag`
Drawing Shortcuts Add/Subtract winds from spiral while increasing length	`Drag` then `Option` + `Drag`
Drawing Shortcuts Increase size of Blob brush	`]`
Drawing Shortcuts Decrease size of Blob brush	`[`
Drawing Shortcuts Constrain Blob brush horizontal/vertical	`Shift`
Drawing Shortcuts Switch through drawing modes	`Shift` + `D`
Drawing Shortcuts Join two or more path	`Select Path` then `Command` + `J`
Drawing Shortcuts Create corner/smooth join	`Select Path` then `Shift` + `Command` + `Option` + `J`
Drawing Shortcuts Perspective Grid Tool	`Shift` + `P`
Drawing Shortcuts Perspective Selection Tool	`Shift` + `V`
Drawing Shortcuts Perspective Grid	`Command` + `Shift` + `I`
Drawing Shortcuts Copying objects in perspective	`Command` + `Option` + `Drag`
Drawing Shortcuts Moving objects perpendicularly	`5` then `Click` + `Drag`
Drawing Shortcuts
Selecting Shortcuts Switch to last used selection tools	`Command`
Selecting Shortcuts Switch Direct/Group selection tools	`Option`
Selecting Shortcuts Add/Subtract with various tools	`Shift` + `Click`
Selecting Shortcuts Subtract from selection with magic wand tool	`Option` + `Click`
Selecting Shortcuts Add to selection with Lasso tool	`Shift` + `Drag`
Selecting Shortcuts Subtract from selection with Lasso tool	`Option` + `Drag`
Selecting Shortcuts Change pointer to cross hair for Lasso tool	`Caps`
Selecting Shortcuts Select artwork in active artboard	`Command` + `Option` + `A`
Selecting Shortcuts Create crop marks around selected object	`Command` + `C` + `O`
Selecting Shortcuts Select behind an object	`PressCommand` + `Click twicw`
Selecting Shortcuts Select behind in isolation mode	`Command` + `Click twice`
Selectiong Tool Selection tool	`V`
Selectiong Tool Direct selection tool	`A`
Selectiong Tool magic wind tool	`Y`
Selectiong Tool Lasso tool	`Q`
Selectiong Tool Pen tool	`P`
Selectiong Tool Blob brush tool	`Shift` + `B`
Selectiong Tool Add/Delete anchor point tool	`+` / `-`
Selectiong Tool Convert anchor point tool	`Shift` + `C`
Selectiong Tool Type tool	`T`
Selectiong Tool Line segment tool	`\`
Selectiong Tool Rectangle tool	`M`
Selectiong Tool Ellipse tool	`L`
Selectiong Tool Paintbrush tool	`B`
Selectiong Tool Pencil tool	`N`
Selectiong Tool Rotate tool	`R`
Selectiong Tool Reflect tool	`O`
Selectiong Tool Scale tool	`S`
Selectiong Tool Warp tool	`Shift` + `R`
Selectiong Tool Width tool	`Shift` + `W`
Selectiong Tool Free Transform tool	`E`
Selectiong Tool Shape builder tool	`Shift` + `M`
Selectiong Tool Perspective grid tool	`Shift` + `P`
Selectiong Tool Perspective selection tool	`Shift` + `V`
Selectiong Tool Symbol sprayer tool	`Shift` + `S`
Selectiong Tool Column graph tool	`J`
Selectiong Tool Mesh tool	`U`
Selectiong Tool Gradient tool	`G`
Selectiong Tool Eyedropper tool	`I`
Selectiong Tool Blend tool	`W`
Selectiong Tool Zoom tool	`Z`
Selectiong Tool Hand tool	`H`
Selectiong Tool Scissors tool	`C`
Selectiong Tool Eraser tool	`Shift` + `E`
Selectiong Tool Slice tool	`Shift` + `K`
Selectiong Tool Live paint selection tool	`Shift` + `L`
Selectiong Tool Live Paint selection tool	`K`
Viewing Artwork Fit imageable area in window	`DoubleClick Hand tool`
Viewing Artwork Magnify to double	`DoubleClick Zoom tool`
Viewing Artwork Move zoom marquee while dragging	`Spacebar`
Viewing Artwork Show/Hide artboards	`Command` + `Shift` + `H`
Viewing Artwork Show/hide artboard rulers	`Command` + `Option` + `R`
Viewing Artwork Hide unselected network	`Command` + `Option` + `Shift` + `3`
Viewing Artwork Exit fullscreen mode	`Esc`
Viewing Artwork Go to next document	`Command` + `F6`
Viewing Artwork Go to previous document	`Command` + `Shift` + `F6`
Viewing Artwork Next document group	`Command` + `Option` + `F6`
Viewing Artwork Previous document group	`Command` + `Option` + `Shift` + `F6`
Viewing Artwork Save Artboard to Illustrator format	`Option` + `V`
Viewing Artwork Create artboard in other artboard	`Shift` + `Drag`
Editing Shapes Switch between various tool	`Option`
Editing Shapes Move current anchor point	`Spacebar` + `Drag`
Editing Shapes Cut a straight line with knife tool	`Option` + `Drag`
Editing Shapes Cut 45/90 with knife tool	`Shift` + `Option` + `Drag`
Editing Shapes Select shape builder tool	`Shift` + `M`
Painting Objects Switch fill/stroke	`X`
Painting Objects Set fill and stroke to default	`D`
Painting Objects Swap fill/stroke	`Shift` + `X`
Painting Objects Select gradient fill mode	`>`
Painting Objects Select color fill mode	`<`
Painting Objects Select no stroke/fill mode	`/`
Painting Objects Add new fill	`Command` + `/`
Painting Objects Add new stroke	`Command` + `Option` + `/`
Painting Objects Incrase/Decrase bristle brush size	`]` / `[`
Painting Objects Set Bristle brush paint opacity value(1 increase 10% where 0 increase 100%)	`1` / `0`
Panel Shortcuts Set Options	`Option` + `Click New`
Panel Shortcuts Delete without confirm	`Option` + `Click Del`
Panel Shortcuts Show/hide panel	`Tab`
Panel Shortcuts Show/hide panels except Tools and Control	`Shift` + `Tab`
Panel Shortcuts Apply value and keep textbox active	`Shift` + `Return`
Panel Shortcuts
Function Key Shortcuts Help	`F1`
Function Key Shortcuts Cut	`F2`
Function Key Shortcuts Copy	`F3`
Function Key Shortcuts Paste	`F4`
Function Key Shortcuts Show/hide brushes panel	`F5`
Function Key Shortcuts Show/hide color panel	`F6`
Function Key Shortcuts Show/hide layers panel	`F7`
Function Key Shortcuts Create new symbol	`F8`
Function Key Shortcuts Show/hide Info panel	`Command` + `F8`
Function Key Shortcuts Show/hide gradient panel	`Command` + `F9`
Function Key Shortcuts Show/hide stroke panel	`Command` + `F10`
Function Key Shortcuts Show/hide attributes panel	`Command` + `F11`
Function Key Shortcuts Revert	`F12`
Function Key Shortcuts Show/hide Graphics styles panel	`Shift` + `F5`
Function Key Shortcuts Show/hide appearence panel	`Shift` + `F6`
Function Key Shortcuts Show/hide align panel	`Shift` + `F7`
Function Key Shortcuts Show/hide transform panel	`Shift` + `F8`
Function Key Shortcuts Show/hide pathfinder panel	`Shift` + `Command` + `F9`
Function Key Shortcuts Show/hide Transparency panel	`Shift` + `Command` + `F10`
Function Key Shortcuts Show/hide Symbols panel	`Shift` + `Command` + `F11`
Function Key Shortcuts