My son practice is batting at least five days per week. This puts a lot of strain on his thumb his hand was starting to get swollen and would be sore for several days and with the continued use, he was never getting any relief. This is his second thumb pro. he lost the other one at school and tried batting a while without it, but the pain returned. The thumb takes the strain off of his thumb and gives immediate relief. He absolutely loves it and we recommend it for anyone who is having issues with the strain while batting.