Wenwan Walnut Deep Cleaning & Maintenance Tool Set | Dual-Head Precision Hook & 10-Piece Stainless Steel Wire Filament Pack

Easy to get into tight places with these. Being able to take single strands out is also handy

These make deep cleaning my nuts a breeze!

These are pretry much exactly what they say they are: Little bundles of stainless wire that get dirt out of really tight cracks. Very effective. Most important note: They are high quality stainless, and do not rub off or stain the wallnut.