Patent ID: 7730565

Claim:
An apparatus comprising: a plurality of segments connected end-to-end so as to form a flexible tube, each of said plurality of segments comprising: a cylindrical portion having a hollow interior and a top and a bottom; and a rounded member having a hollow interior and a top and a bottom, said bottom of said rounded member being attached to said top of said cylindrical portion, said hollow interiors of said rounded member and said cylindrical portion forming a continuous cylindrical channel; a base connected the bottom of the rounded member of a first segment of said plurality of segments; a clamping means connected to said base, said clamping means for mounting said base to an exterior surface; and a tensioning means for tensioning said plurality of segments into a desired shape, said tensioning means being connected to said base, said tensioning means comprising: a line extending through said plurality of segments, and a lever interconnected to said line, said lever pivotally connected to said base, said lever being movable so as to selectively tension said line.