Talking the thin or multi-sized pack or the rubber shim strips thingys you put around the clamp of your brake levers or light or GPS mount so it gets tight on the handlebars. I have 1 left and it's too squishy and it's allowing my brake lever (riser bars type) to move/get crooked.

The things I've seen on Amazon are handlebar/stem shims, or specific sizes clamps or something. I need just the little rubber grippy strips.

Haven't had a chance to ask the local shop - but ours are mostly worthless Trek stores now.