How to build dummy for grappling lika that, what is in side of this dummy?

https://www.youtube.com/watch?v=OPkRvSAtoTA
https://www.youtube.com/watch?v=piDPkkJv7sc

rickharris10 days ago

I don't know, nor having Xray eyes but possibly something like this

bblz (author)  rickharris9 days ago

It's not the same as that dummy. Nice try.

iceng10 days ago

It's been ten days since anyone got a BA !

rickharris11 days ago