Handy Use - Blister Paks?

Frank Goss posted about re-using blister packs, but geez-o-man I
can’t think up what those are. Frank…what might I buy that comes
in a blister pack? My mind is achy from wonder!!! Will you help me?

Hi A & M,

   Frank Goss posted about re-using blister packs, but geez-o-man
I can't think up what those are.

Blister packs are the clear plastic coverings that are usually
attached to a cardboard backing. They’re used to cover lots of items
that mfgs want to display while they’re hanging from hooks in the
retail arena.

Dave