How do I prevent this?

>>41714913
Use duct tape on your nips

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sticking plaster

>>41714913
Don't run.

>>41714913
Tape.

>>41714913
Wear a red shirt

Don't wear synthetic based materials.
Go with Woolen tops

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>>41714913
how does this even happen anon
are you a demon spawn?

>>41714913
Dumb question, but how does one get this?

>>41714970
NOFAP

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>>41714970
Gyno

>>41714913
holy shit it's the manlet from the CBTs!

>>41714913
Put plasters over your nips /thread

Bodyglide

>>41714913
Tape. And take of your shirt before it fucking gets that far

If they aren't shitting themselves or breaking their ankles they're bleeding from their tits. Such a beta and pointless sport.

>>41714970
Having soft bitch tits

>>41715300
t. No stamina

>>41714913
Bandaids.

>>41714970
Your shirt moves while you are running creating friction. Do it for a long time and nips start to bleed.

>>41714913
wat?

people run so much they start to menstruate trough their nipples?

>>41715385
Not him but I agree. You can work cardio/stamina without doing all that shit.

Ride a bike, play a sport, do bjj/muay thai... So many other things than running like a girly man for hours...

>>41714970

Nipples are the only skin that can't form a callous, so when irritated from salty sweat will just bleed.

>>41714913
Don't wear shitty clothing.

Although I might just be an anon with steel nipples, as I never encountered this issue in any of my long runs, regardless of what I was wearing. (2 halfM's per month)
I only run marathons in early/late winter so cold-ish weather has me wear a long-sleeved shirt with polar on the inside.

If clothing doesnt help it:
>treat yo gyno
>band aids

>>41715531
And all those things you mentioned are devoid of physical injury?

>>41715964
No but you don't shit yourself while bleeding from the nipples

>>41714970
SS + GOMAD

>>41715972
I've seen plenty of guys shit themselves on the bench press. I've seen a few shatter their knees on the leg press. Bleeding nipples and shitting myself are easily recovered from.

>>41715300
How the fuck is it beta? Long distance running and endurance sports in general require the most willpower out of any sport, and you have to deal with all the fucked up injuries and pain you're causing yourself

you may call it stupid, but it's the exact opposite of beta

>>41714913
why people do this

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This has happened to me once and to stop it from happening, i started wearing a tight tank top underneath my running shirt, tucked into my shorts/pants.

>>41715531
>the exercises i like are manly everything else is for GIRLS lol

You're a child mentally

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>>41714967
>>41714970
>>41715520


Evaporating sweat leaves salt crystals in your shirt and the movement makes it grind your nipples bloody like you're wearing a sandpaper shirt. Also, once your nipples bleed it will literally rub the salt into the wounds.

Happened to me once. Never again, anons.