Jugger

Sticks, swords, ball and chain, shields – Stuff is padded; otherwise players might get really banged up.

https://www.youtube.com/watch?v=ym8Rf5nqxo4

Some equipment from Wikipedia entry: staff, longsword, short sword and shield, chain with handle, polearm/spear, flail, two-handed sword.

“Ball” is a dog’s head, foam representation.

Link at "I have no idea what's going on"

http://blogforboys.net/