So much silicone tips, so little use of them

Ive got a bunch of them

sony, fiio, unammed brand, double flange, black, transparent, white, not so white anymore

What u guys do with leftover tips? anyone know how to properly mod them? (dunno heat treatment or something to make it more fit maybe?)

anything is fine just wanna know what u guys do with the unused tips

black tacked a few onto the bottom of my old laptop for better cooling