Heat some water to boiling point and soak the Adjustable Thimble for just a few seconds.The thimble will become soft so you can adjust it to fit your finger. When cooled down, the thimble is ready to use.
Adjustable Thimble Bulk
$2.49
Adjustable Thimble Fits Any Size Finger
Martha –
Worked for me. Shrinks to fit your finger.