Promark Promark Medium Broomstick. Promark is the pioneer in utilizing natural broomcorn to create truly unique percussive implements. Broomsticks provide more volume than brushes and less volume than Rods, making them the perfect implement for any player seeking to expand their sound palette. Adjustable commercial-grade rubber bands allow for easy variation of tone, articulation and feel. Broomsticks are highly recommended for use on Cajon. Handmade in the USA.