A technique that pretty much hits the opponent squarely in the chest. First seen in chpater 90 of the manga of New Prince of Tennis, used against Kite Eishiro.
A wicker man was a large wicker statue purportedly used by the ancient Druids (priests of Celtic paganism) for sacrifice by burning it in effigy.
In some more modern times, wicker men are used for various events. The figure has been adopted for festivals as part of some neopagan-themed ceremonies, without the human sacrifice element