How to harvest nettles, as documented by two Friends of the Farms Board Members at the M&E Property on Bainbridge Island in March of this year, 2019:
Gird thy loins. And ankles. And wrists. And basically any exposed skin, or even skin covered with light clothing. Just, be impenetrable. Long sleeves and pants are a good place to start.
Grab some gloves. No, not those. Not those either. Full on plastic or latex gloves are best. Yup, the ones from your kitchen sink that reach to your elbows.