They are attached through our Conical attachment. Watch our video on our different attachments here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-utTv8zveNU0.htmlsi=LSr1-4SMKSsIqqcl If you have any more questions email USsales@eijkelkamp.com we'd love to help!
