This adapter allows to use PL mount  lenses on RF-mount cameras.

The support is flush with the bottom of the Komodo

Review - newsshooter.com

Main features:

• Adjustable flange focal distance (shims available here)
• Stainless steel PL mount flange, RF-mount bayonet and PL locking ring
  
• Support foot with 1/4"  mounting point
• 0,005mm accuracy
• Infinity focusing
• Made of aircraft grade alloy and stainless steel
• Weight ( without PL cap)  - 450 g / 15.9 oz
  
• Made in UE
  

Compatible with:

• Canon EOS R
• Canon EOS RP
• Canon EOS R5, R6, R3
  
• Canon Eos C70
  
• RED Komodo
• RED V-Raptor