Creator's Friction Buttons.
8-pack of Friction Buttons with 1 Removal tool. (Cutter's Mate, Waffle Grid, and Glass Not Included!)
The Friction Buttons are used in The Waffle Grid System Click Here to see more.
No more slipping and sliding!
Keep your glass securely in place while cutting on a grid work surface. 
Use friction buttons to hold glass firmly, even while you are cutting strips and circles.