Lens cap holder
LENS CAP HOLDER WITH A HOOK
This article contain string which is joined with soft eraser and hook to bug it.
At the end of string is small roller. Its base tier is covered by waterproof glue. After took off a foil which shield a glue, press strongly it into lens cap on a plain place. When a glue will dry up, a string is perfectly fixed to lens cap. Ofcourse remove this lens cap holder is possible, and does not leave any tracks.