14.6 Spa / Beauty studio (Per service) Goal: book treatments without fixing a specific professional. Type: Per service. Slot: 30 min (spa) or 15 min (studio). (2.2) Services: Massage, Facial, Manicure, Pedicure, Lashes, Brows. (2.5) Staff (optional): you can assign therapists; the professional is optional in this type. The day agenda shows columns per service.