Keep the nails in an ice bath or the fridge before a scene. Use the flat head of the nail to deliver "kisses" of intense cold to the inner thighs or neck.
Scrub new nails with hot, soapy water and a stiff brush to remove industrial oils or coatings. iron nail bdsm
Check for burrs or sharp edges from the manufacturing process. Use a fine-grit sandpaper or a metal file to smooth any rough spots on the head or shaft. Keep the nails in an ice bath or the fridge before a scene
Before and after every scene, wipe the nails down with 70% isopropyl alcohol. iron nail bdsm
For those into bondage, heavy nails can be tucked into rope wraps to add localized weight and pressure points.