Like a rash, basically. Possibly with little red bumps. It's called razer burn because, well, it feels like it's burning.

Nothing to worry about. Some aloe-vera gel, or I've heard 'witch hazel' or something is good. I just give it time, few hours later, maybe a day or two, and all's well.

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You know, Blackadder, for me socks are like sex. Tons of it about and I never seem to get any.

My Photos:
https://imgur.com/a/80hiRdm