1) Getting them started requires a lot of grunting and muttering.
2) Once started, they splutter, choke and roar demanding attention.
3) They always require more fuel than you imagine.
4) They are extremely effective in blasting away ephemeral detritus, overblown superfluities and glass panels in back doors.
5) Just when you think they are doing a good job, they take offence at whim and chuck a hissy fit, requiring more rope, more food, more absurd behaviour until they suddenly gallop away again in the right-ish direction.
6) They think that one hour is enough work for a weekend.
7) They stink, even when they have washed.
8) The whole “sum of the noise of two whipper snippers” whole being greater than the parts debate. That.
9) They require you to block your head from their emissions – aural and nasal - for fear of permanent injury to your neurons.
10) It is rumoured that there are whipper snippers out there who disprove the whole generalisation of an appliance theory. In fact, a friend of a friend of a friend heard of one that was compliant, beautiful to behold, would weekend warrior and weed whack whole gardens, combined grace with old fashioned charm and whose modulated tones were elixir to the ear, odour most joyous to the nose. Perhaps it is true.