arbo 发表于 2012-3-1 18:08 : J. b$ r% w+ E+ J5 h, ]7 p
One is relaxed and one is tight. 7 |5 H0 o0 v2 m4 x* r3 w4 Z7 m3 nI think this is the most critical aspect.
arbo 发表于 2012-3-5 12:36 + O- `% R v( d/ O& E7 c/ c" eAgree with Lastman. Duck and luck, you need to relax. Dock and lock, you need to be a little bit tig ...