This is much cheaper than the Tesla one. It is a dedicated ski rack and not an adapter for the bike rack.
Tyger Auto TG-RK1B707B Folding Hitch-Mounted Ski/Snowboard Rack Fits 2" or 1.25" Receiver Carries 6 Pair Skis or 4 Snowboards | Key Lock | Security Strap | Vertical Adjustable | Tilt Access
https://a.co/d/8ynMpw2