Photoshop (Ps) And Illustrator (Ai) Keychain
I spotted these Photoshop and Illustrator keychains on Geek Culture's post from STGCC 2018. They're by designer Yu Xin of Tea and Buns, sold on Tictail and Etsy, though they often sell out.
Tea and Buns
A keychain themed after Photoshop and Illustrator app icons.