Yo, whoever knows, link a source for the company! (And the reddit thread too)

Here you go!

https://reddit.com/r/gaming/comments/919pwu/i_asked_a_tennis_racket_company_to_make_me_real/

Thank you! Looking at the OP’s comment, it was made by these folks!

http://www.customtennisracquet.com/

And the dude’s cosplay is on p o i n t

https://imgur.com/a/zOFmUuM