This blocker completely blocks switch operation.

Works well for annoying screenshot button (usually operated by Cmd+Shift+4). Also fits other buttons. Personally use it for screenshot and backlight buttons.

Fits between keycap and switch body. Holds tight enough and doesn't fly away when I hit the keyboard with my palm while holding it towards the ground.

Note! Only tested on Keychron K3 (K3D3) optical brown keyboard. I'm new to low profile mechanical keyboards, and assume that it should fit other low profile switches. Let me know, whether it fits your keyboards.

Printed on FlyingBear Ghost 6 (for some reason can't find it in a list of printers)