Babywearing

Superman: To pick up a child around their middle or trunk, as if they are flying like superman with their arms stretched out in front, and swing them around to your back in order to place them in a back carry.

"Make Me A Reasonable Offer". Used in BST situations. The seller in open to lowering their price as long as the buyer makes a reasonable offer that matches the seller's perception of the item's value.

Adjust: To alter or move parts of the carrier or the infant's position slightly. Done in order to achieve a desired fit

Used in BST situations. The seller in open to lowering their price as long as the buyer makes a reasonable offer that matches the seller's perception of the item's value. Often abbreviated as MMARO