If your firearms are tools, and not pretty things to sit in a safe, then you may want to consider investing in a stipple kit and getting some grip on your guns! Grip Tape is
How to Stipple a GLOCK Pistol (or Any Polymer Handgun) - The Truth About Guns
Waffle Stipple Kit - Popular set for varying degrees of textures. – OTDefense LLC
POLYMER STIPPLING – UN12Magazine
POLYMER STIPPLING – UN12Magazine
OTD Firearms Stippling Kit
Deluxe Firearm Stippling Kit- Stipple your own and save cash and time! – OTDefense LLC
Oregon Trail Defense LLC
OT Defense Firearms Stippling Kit (New Ver.) – Rainbow 8
Oregon Trail Defense LLC
GripFix™ Hump Eliminator™ -- Glock Grip Reductions made easy and repeatable! – OTDefense LLC