Bibhanger weight and warmup ?

https://Www.bibhanger.com

Hanging Video

I bought the bib starter and Thera-Band.

My plan is to work the weight gradually.

What kind of Weight I should get from Amazon?

I watch the videos and there is no warm-up using the hot wrap and etc. But is it needed or recommended?

Thanks for the help.

Start=2022-Jun-15
4.25x4.7

Goal=Able to hit the Posterior-Fornix
7.00+