3Pod makes a variety of tripod heads, though the ones that move the least after you set them seem to work the best with this monopod.
Jeremy T. Hanke
The director of two feature length films and half a dozen short films, Jeremy Hanke founded MicroFilmmaker Magazine to help all no-budget filmmakers make better films. The second edition of his well-received book on low-budget special effects techniques, GreenScreen Made Easy, (which he co-wrote with Michele Yamazaki) is being released by MWP in fall 2016. He's curently working on the sci-fi collaborative community, World of Depleted, and directed the debut action short in this series, Depleted: Day 419 .