Fitting Tape is a cloth tape specifically designed to modify release, ease grip tension and/or adjust hole size without making major changes to ball drilling. If you suffer from increased swelling while you bowl, Fitting Tape could be an ideal solution. No more fidgeting with taking pieces of tape in and out of your ball. Simply apply the tape to your fingers or thumb prior to bowling and remove as you swell.
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My thumb varies and I use either the tan or purple tape depending on my thumb size and desired release - Tan is faster than the purple. Green is too thick and slow for me. This tape seems to have less adhesive than other brands, so your hand needs to be very clean and dry when you apply it. The good news here is that it does not leave any residue when you remove it.