Answer (1 of 2): i don’t recommend using duct tape. it doesn’t have the elasticity you need to keep your chest flattened and secure (at least in my experience) but in general it just isn’t safe. the two that i’m aware of and have used are KT tape or Trans tape. i prefer KT tape and at first i did
Trans Tape by Universal Body Labs is made for non-binary individuals looking for a quality and reliable way for breast binding - a much more effective
Trans Tape for FTM Chest Binding
TransGenX Tape - Best Trans FTM Binder for Chest Binding While Transitioning : Industrial & Scientific
Rain Andro - Quora
How to Bind Your Chest: Tips, Tricks, & Safety While Binding
What is Kinesio Tape, and how does it work? - Quora
Is trans tape better than a binder when it comes to future top surgery results? - Quora
how the fuck do i use transtape : r/ftm
Is it safe to wear trans tape under my binder? - Quora
Yee (and dare I say) Haw — TransTape: A Guide
1st use vs. 10th use of TransTape : r/ftm