If you want to strengthen your top hand in hockey, I recommend this. I saw one of these (or something like it) on sale on Amazon for around 30$ and said, "I can make that." So here it is, for just the cost of your filament. I made this for practicing stick handling in ice hockey, and it's worked great.

ProDogg20

Stick Handling Trainer For Hockey

Fidget Ball (TPU)

Desk Organizer

Desk Clip For USB-C+Lightning 

{"content":[{"type":"text","text":"Printer sign"}]}

I'm Printing Sign

{"content":[{"type":"text","text":"Desk thing."}]}

{"content":[{"type":"text","text":"Desk Clip USB-C+Lightning "}]}