I put mine in the dishwasher with the finger holes down. I use the normal amount of detergent and the high temperature water setting. Be sure to turn off the heated drying cycle. Remove when wash is complete. I usually try to remove the excess water from the finger holes. I have not had any luck trying to tape the holes.

TT
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"Following the course of least resistance makes for crooked rivers and crooked men."

Edited for content:  I see you are a lefty. This procedure might need to be done in a mirror or may not work at all.

Edited on 8/29/2008 9:47 PM

Here's how I've done it, and it works great everytime:

1. put packing tape over finger and thumb holes
2. put the dishwasher on air dry- YOU DON'T WANT HEAT DRY!
3. put the ball on the bottom rack
4. I don't use any soap. Haven't tried it, but it works great without it.
5. turned on the dishwasher, and let it run it's cycle
6. after it was done, take off the tape, put it finger holes down, and let what little water that got in, run out.
7. take the ball back to the surface you'd like it at
8. take it to the lanes and score! looks great, performs great, what more could you want!?
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Nothing Hit's Like A Hammer