Bow-Mag arrowhead

[WyoHunter]

Just saw a commercial for a bang stick-like arrowhead. The head screws onto the shaft but first you insert a 357 mag cartridge into it. The ad shows it hitting a hog and dropping it on the spot. Check it out!
Bow-Mag - Rac-Em-Bac

https://www.racembac.com/our-products/bow-mag/

[BuckySWT]

Yeah....but how do you practice with it?

Weighted inserts?