those little dots or strips that go on the bottom of your rulers so when you are rotary cutting and you are at the end of a very long strip .... the blasted thing doesn't slide a 1/4 inch off where you wanted it to go... and i do mean it always slips to the skinnier side not to the fat where i can fix it....
or should i just go get some double sided sticky tape and sand?
grrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrumble