A device and associated method for organizing lines comprising a base structure forming a channel with two sides, the two sides having a plurality of tabs and slots between the tabs for locating and supporting medical lines, the device including a cover structure for captivating the lines and further including a resilient structure for providing friction strain relief for the lines to relieve the full weight of the lines on the patient. The device accommodates a wide size range of different lines and allows break away tabs to further increase the size range accommodated. The structure may be cut or snapped to desired length at the point of use. The device and installed lines may be easily attached and detached from the bed allowing maximum patient mobility. The cover may be easily labeled to indicate each line. Variations may be adapted for sterilization or made for one-time use.