Switch Peg

Switch Pegs are variants of pegs from the game DK: King of Swing. They appear as a lever with two pegs for handles attached to either a red, green, or blue box. If held onto with both hands, the lever is pulled down, revealing additional peg boards or pegs to help Donkey Kong progress through the level. Donkey Kong is able to pull the lever down if the player presses and holds both and  while he is on the switch peg. They first appear in the level Contraption Cave in the Jungle World.

In-game description
Instruction Booklet
 * "Grab with both hands to lower the lever and operate the mechanism."