What equipment do you need to play 'mumblety-peg'?

Mumblety-peg is an old outdoor game played using pocketknives. The term "mumblety-peg" came from the practice of putting a peg of about 2 to 3 in (5 to 8 cm) into the ground. The loser of the game had to take it out with his teeth. When the loser would go to remove the peg, it would sound as if he or she was mumbling.

There are many variants of the basic game. In one relatively safe version the first player attempts to stick his knife in the ground using some unusual technique, such as behind the back or off his knee. If he is successful, the second player must duplicate the feat. The game repeats until one player cannot duplicate the "trick".

In the variant known as "Stretch," the players begin facing each other some distance apart with their own heels and toes touching, and take turns attempting to stick their knives in the ground outboard of the other player's feet. If the knife sticks, the other player must move his foot out to where the knife stuck while keeping the other foot in place. Play continues until one player falls or is unable to make the required stretch.

The highly dangerous "Chicken" variant is the opposite of "Stretch". The players stand with their feet as far apart as possible and the other player throws his knife into the gap between them. If the knife sticks, the player moves whichever foot is closer to the knife to where the knife stuck. The game repeats until either player refuses to go any further (whichever player did not "chicken out" wins).