Which type of beard is not suitable for even-all-over clipper cutting?

The appropriate choice is that beards with mixed textures are not suitable for even-all-over clipper cutting. This is because mixed texture beards, which may include varying thicknesses and curl patterns, can create uneven cutting results when using clippers. The different textures may respond differently to the clippers, resulting in an inconsistent appearance.

Even-all-over cutting techniques are best applied to beards that have a uniform texture and density; this consistency allows for a smoother and more uniform finish. When the hair has mixed textures, the clipper cannot effectively cut all sections evenly, which can lead to an uneven length and appearance. Conversely, beards with even texture and density, those that require special styling, or even naturally curly beards, can often be styled effectively with clippers, provided that the haircut technique accommodates their specific characteristics.