a tiny drill bit, btw. 1mm. Keeps all the recognisable animals and most of the rocks out. And when the little ones get in you can pump them right back out with the grease gun.
@adroit started
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a tiny drill bit, btw. 1mm.
Keeps all the recognisable animals and most of the rocks out. And when the little ones get in you can pump them right back out with the grease gun.