medium 104 may be controllably introduced and or removed the internal barriers 110 and the device periphery 100 c may be formed by suitable methods known in the art that include aspects such as but not limited to a application of pressure against the top sheet 100 a and or the bottom sheet 100 b b a application of heat against the top sheet 100 a and or and the bottom sheet 100 b and or c application and inclusion of an adhesive not shown alternatively or additionally a portion or all of the reservoir 102 the device periphery 100 c sheets 100 a amp 10 b and or internal barriers 110 may be formed by application of 3 d printing methods and systems a first anchor feature 118 and a second anchor feature 120 are separately positioned distal along the traction x axis 106 of the invented device 100 at least one of the anchor features 118 120 may preferably be moved under direction from a force along the traction x axis 106 of the invented device 100 or optionally both the first anchor feature 118 and the second anchor feature 120 may be moved under direction from a force along the traction x axis 106 of the invented device 100 the first anchor feature 118 preferably comprises one or more loops 122 made of a durable inflexible material the.