Photo 1 of Hungdao Bowling Ball Workout Tool Bowling Accessories with 3/4 and 3/5 Double Choice Replacement Blade for Thumb Fingers(Classic Blue)

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Photo 1 of Hungdao Bowling Ball Workout Tool Bowling Accessories with 3/4 and 3/5 Double Choice Replacement Blade for Thumb Fingers(Classic Blue)Photo 2 of Hungdao Bowling Ball Workout Tool Bowling Accessories with 3/4 and 3/5 Double Choice Replacement Blade for Thumb Fingers(Classic Blue)