They are dangerous, they can cause spinal damage, broken bones, shoulder and neck injuries. Banned in all forms of the game, guilty tacklers are often subject to fines or suspensions.

I think we’ve established that spear tackles are a very bad thing. So, prepare to feel guilty as you enjoy these videos. [Today's spear tackle hasn't made it onto Youtube, I'll update this post with it when it surfaces.]

Spear tackle on Richie McCaw, New Zealand v Australia
Saturday, August 19th, 2006

Australian winger Lote Tuqiri was handed a 5 match ban for this belter.

George Gregan’s yellow card Spear Tackle, Brumbies vs. Highlanders

Morne Steyn spear tackle on flanker Jacques Botes

A masterclass in how to earn a red card.

Some more big hits (not spear tackles, but devastating nonetheless) for your viewing pleasure

“What a hit! Look at this for timing…it’s exquisite, and I know it hurts.”

The commentator says it all.

Sébastien Chabal’s destroys Masoe

Simply punishing.

Butch James big tackle

Oo err, how’s that for a risque title?