Snaking could be considered a spinless concept because it does not involve the pen.

The idea is to wave your arms or fingers:

http://www.youtube.com/watch?v=3KlU_kyoUgA
http://www.dailymotion.com/video/x6n6dv_combo-43_creation
http://www.dailymotion.com/video/x5xsem_combo-34_creation

http://www.dailymotion.com/video/x7c1dh_snaking-bis_creation (looks a bit like isolation)
http://www.dailymotion.com/pyralux/video/x...-bis-2_creation
http://www.dailymotion.com/pyralux/video/x...g-1p2h_creation