Gas weed eater? Could it be a reaction to fuel on your hands getting vibrated into your skin? Wouldn't take but a little. I had something like that happen though it was just itching and a little redness, I don't react to gas or oil ON my skin.

Had okra exactly once. eek Must be one of those love/hate things, never met anyone that just sorta likes it.

The key elements in human thinking are not numbers but labels of fuzzy sets. -- L. Zadeh

Which explains a lot.