hi,
and excuse my bad english.

i have a hyde drilled:

..............pin..
.....mf..rf.......
.................
.........cg.......
...............
...............
......th.......

i play a hight track and the first time the ball was great. suddenly, from one throw to the other the ball clips the thumbhole but i havn´t changed somthing in my style, same handposition and speed.

the complete track, round about 5 lines of oil, completely hitting the thumbhole.
it´s the same when i change the handposition.
is the ball defect, what could it be?

needs help fast.

thanx
timo