A bone anchor includes an anchor body configured to be retained within bone and to receive a flexible member such that the flexible member can be pulled in a first direction while, without the aid of an enlarged portion on the flexible member, subsequent movement in a second, opposite direction can be limited. The fishing hook has a hook eye, a shank, at least one curved hook section and at least one hook point. The management processor obtains information about available resources of PCIe network. Further disclosed is a method of mounting the associated RF interface module across an inside corner formed by abutting facets. A molded product is produced by filling a first material and a second material into the cavity of an injection mold in a single molding step including the substep of injecting the first material, the substep of injecting the first material and the second material at the same time and the substep of injecting the first material which are carried out continuously in this order. Each of the trapezoids of the lower section has two concave surfaces curvatures therein.