Pickle Rick is a version of Rick Sanchez first seen in a teaser for Season 3 of Rick and Morty. His only functional body parts are his eyes and a mouth. This situation forces him to create gruesome means of transportation.
Only two augmentations were shown in the episode Pickle Rick
Pickle Rick with Cockroach Limbs - Rick is first seen wrapped up in cockroach limbs that twitch when Rick presses a part of their brain with his tongue.
Pickle Rick in Rat Suit - Constructed of rat limbs and brain, this form of Pickle Rick is very nimble and demonstrative a level of athleticism not often seen from Rick.