1. Take your mechanical keyboard

2. Remove the R keycap with your keycap puller

3. Take your other mechanical keyboard

4. Remove the H keycap from that one

5. Place the H keycap in place of the R keycap

6. Optional step, but remap the R key to H in your keyboard's config software (if it allows that)

Conghats, youh now typing like a Masshole! \m/