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by tmp-20150107 4061 days ago
> between their toes

This is not a thing. There are no large veins between the toes, and circulation in your feet is pretty poor anyway, not to mention hygiene and infection issues... There are some veins on the foot that can be used, but it's fucking painful and I wouldn't recommend it. If you use clean works and rotate injection sites regularly, there won't be any real visible marks. Not to mention that any needle marks are not going to be obvious to non users anyway.