Nyc-I like links for contracts on leathernroses.com.
They can be used in some arenas legally. They are a verbal contrac t or a written contact. In some places those are legally binding.
Also-as example; if one specifies that sexual intercourse is NOT agreed to, but ended up raped while tied up, that shoes there was no concent and could be used to Aid prosecution.
"Love As Thou Wilt"