A "chanter" is the drone of a bagpipe, and a good supply of wind is required to fill it. Proverbially applied to those who undertake more than they are able to accomplish.
He that steals a preen may steal a better thing.
He that steals can hide.
He that strikes my dog wad strike mysel if he daur'd.
He that stumbles twice at ae stane deserves to break his shin bane.
For not removing the stumbling-block at first.
He that's welcome fares weel.
He that thinks in his bed has a day without a night.
He that tholes owercomes.