Therapists use two self-heating stones for specific trouble areas and pressure points. The stones are used in addition to your regular 60 or 90 minute massage. Great for working on stubborn knots, added relaxation and deeper muscle work. The Hot Stone Add-On is available for 30, 60 and 90 minute massage, excluding Pregnancy and Reflexology. To book a Hot Stone Add-On, begin by booking the eligible 30, 60 or 90 minute massage you would prefer and the option will then appear to choose the Hot Stone Add-On.