New Blue Bluff Slip deviation 17.jpg
en
New Blue Bluff Slip deviation 17, Blue Bluff Slip
commons
ja
ブルーブラフ スリップ17 ブルーブラフ スリップ17
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deviate deviation side-slip slip-on shoe slip in slip on discrepancy slipping slip deviationism variance slicker flight maneuver beach ridge displacement shoulder board bluff glissade slip-on disparity distinct blue law difference