Congrats on the thimbles! Now, if you need it a bit tighter, get some moleskin at the pharmacy and stick a strip inside around the edge. It will snug it up and it won't rub your finger nail bed either. I have my husband's mother's and she was very heavy. I took a hammer and bent the top into a concave shape and I wear it on my underneath finger and use the edge of the new "dimple" to catch and redirect the needle. I lined it with moleskin and it makes a comfortable thimble.