Well I guess using a straight when I could use an electric to shave with makes my response illogical but if I was going to trim my hair I would use an electric trimmer.

Actually I do have a Dorko manual clipper and the reason I bought it was when I was a kid back in the (yikes) 1950s most barbers still used those things to cut hair. Electrics were first being introduced in the trade and I remember being terrified by those manuals and I would scream my head off when he tried using it on me so I had to buy a set. I actually tried using it to give my son a haircut and though they work fine I would use the electric.