What is a tack bra?

tack bra it's who i am

Tack Bra

Tack Bra

Tack Bra

Livestream: creating a tack bra!

Tack Bra - Norway

The Tack Bra Learning Through Him - A Journey to Becoming His

Pair of 8cm across slightly curved plastic disks with lots of quite sharp spikes on the inside. Designed to sit in a bra, or could be put in underwear

Spiked bra or knickers inserts for sub women. Comes as a pair. Masochist, sadistic, pain play for submissive women. Breast spikes.

What is a tack bra?