Side wedges are attached to the connecting sheet using a large hook and loop strip, which is then attached underneath the bed using durable straps and release clips.WE CAN SUPPLY AND INSTALL ANYWHERE IN NIGERIA OFFICES IN LAGOS, ABUJA, PORT HARCOURT AND BENIN CITY Please CALL: 0907-643-3020, 0904-936-7703 WhatsApp: https://wa.me/2349076433020 Email: info (AT) scantrikmedicalsupplies.com Web: www.scantrikmedicalsupplies.com/products