Replying to What do you call this trick?
TJ Schiller does it at 0:50 in this clip
http://www.youtube.com/watch?v=1GHS42gmJUQ
and Derek Spong does it at 0:20 in this underarmour contest clip
http://www.youtube.com/watch?v=1GHS42gmJUQ
Is it a switch cork 9? or a bio?
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