Developed by Brian Drumm, the Flattopper comb achieves a fast and accurate clipper cut. Easy to use and simple to create symmetrical crops and flat tops, this Flattopper comb even features a spirit level for improved accuracy.Developed by Brian Drumm, the Flattopper comb achieves a fast and accurate clipper cut. Easy to use and simple to create symmetrical crops and flat tops, this Flattopper comb even features a spirit level for improved accuracy.