h a l f b a k e r y
Not so much a thought experiment as a single neuron misfire.
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When climbing up a ladder, it doesn't
matter how dirty
are your shoes, because as you ascend,
presents itself as a clean hand hold.
Going down is a
different matter, as you will now
encounter the rungs
where your shoes have been, leaving all
Down With a Clean Pair of Hands
problem. It does this by a simple
variation on the
standard ladder. This takes the form of
vertical supports which run from top to
adjacent to, and parallel to the main
The two extra supports create spaces up
both sides of
the ladder which are too small to permit
of a foot, but the perfect size for each
made of light material, because they
have no structural
function, they do not add significantly to
weight of the ladder.
||I take it that holding the sides of the ladder is not an option?
||I have been told that ladder safety protocol calls for only moving one foot or one hand at a time. I would think that using the rungs for a handgrip would be safer than gripping the sides.
||Granted, I learned this as a child watching an adult climb down a decaying wooden ladder into an old mineshaft.
||Although the title does sound like some politician's or murderer's idea of freedom from guilt.
||What you need is the "Disposable Roofmat"
||For removal of nefarious matter from the feet - which can only come from the roof - before the descent. You did scrape your feet on the bottom rung on the way up, didn't you?
||Tradesmen never wipe their feet. Their union forbids it.