A modifiable jewelry piece including a strand and one or more adjustable retainers. The adjustable retainers include an interior structure configured to establish a frictional engagement with the outer surface of the strand. The jewelry piece wearer may select the location of the placement of the adjustable retainer anywhere along the length of the strand. The interior structure may be a solid or semi-solid having high surface tension or rough surface profile. The interior structure may alternatively be a mechanical capturing device. The jewelry piece also includes one or two end connectors having a slot and flange arrangement for easy passage of beads thereover only when desired. The flange and slot are arranged for alignment with threaded and flanged beads.