To shave your head at home, you need a pair of hair clippers, preferably with multiple guards. "Use clippers with a guard for different lengths," Saviano told POPSUGAR.

To wit: the head is both a guarded trimmer (though with only three more lengths: 3mm, 5mm, and 7mm) and a foil shaver in one, and you can attach the over-the-back handle attachment for a radically ...

Up top, there’s a rotating ‘zoom wheel’ that adjusts the guard length from 0.5mm to 10mm in handy increments. ... particularly the prongs that fit into the shaver head itself.