The challenging option...
I ......................................... (hereafter referred to as 'slave'),
agree this day ....../ ...... / ................. to be bound by the terms of this agreement as laid out below, for a period of one year.
1. Slave's cock will be completely under the control of Mistress at ALL times.
2. Slave will wear a chastity device of Mistress's choosing at all times (except when Mistress removes it) to ensure point one.
2a. Mistress will wear slave's key around her neck at all times. An emergency key will be available in a secure location
3. There will be no 'periods' of chastity under this agreement. Slave will be in chastity for the whole year, allowed to cum only when (and if) Mistress decides she desires it.
4. For health reasons, Slave will be permitted a ruined orgasm 5/6 weeks after his last orgasm (ruined or normal) when Mistress intends to make him wait longer than a further seven weeks).
5. During the period of this agreement, slave is only permitted to beg to cum when Mistress is teasing/touching his cock/balls. Slave will not pester his Mistress at other times to cum or for release from the chastity device.