The present invention provides a device or apparatus for manipulating matter in a confined or inaccessible space, comprising manipulator means at least partly constructed of one or more bent or twisted elongate metallic members having pseudoelasticity at the intended manipulation temperature, and a hollow...http://www.google.co.uk/patents/US5601572?utm_source=gb-gplus-sharePatent US5601572 - Device or apparatus for manipulating matter having a elastic ring clip