If you're looking for something less solipsistic, though, maybe you should try the electronic group rosary developed by a company called Ron-Coe. This handy little device introduces a whole new level to the practice of group HM-ing. According to an article in Spero News, people tend to gabble their rosaries without giving much thought to them (which tends to happen when repeating the same phrase over and over again). This neat little gadget is designed to prevent this by timing each HM and giving the group leader a nasty little shock to the wrist if the pace gets too frenetic. This might seem cruel, even -- dare I say it -- unhealthy, but, as Spero points out:
...it is far better than bead burn which occurs when people run their fingers over the rosary so fast that the beads heat up burning their fingers.