Dont know if ive mentioned this before but an old TOOTHBRUSH is perfect for cleaning sanding residue out of recessed panel detail , also the bristles when cut out are excellent for many uses ie. 1/72 or 1/48 whip aerials and static dump wicks , or even pitot tubes on 1/144 planes , the advantage over stretched sprue is the nylon bristles are a lot springier so dont tend to break off as easily. Another use is ,if the handle is clear red or clear green you can cut off small bits and superglue them into the wings of aircraft to be sanded to shape and polished ,for great nav lights. cheers tony