I masturbate almost exclusively wearing panties. Specifically, Vanity Fair Illumination String Bikini Panty 18108. They have a more "satiny" finish than other nylon panties, and when wet against my clit, the pleasure is unparalleled. And a Hitachi Magic Wand. I wrote about it here: https:/...

I was looking at a video site this morning, and several of the videos had HCM in the title.

Examples:
Mature lady masturbates in bath. HCM?
Mature takes a break from the chores. HCM?
HCM UNDER DESK BLACK
Toilet HCM
Bottle hcm
Bowling pin hcm

Pardon my ignorance, but I have no clue what is HCM?