An eating utensil holder clip which attaches to a plate without scratching the surface of the plate, provides slots within an upper section formed of dense foam into which various eating utensils are removably disposed, and holds the utensils in a horizontal balanced position relative to the plate to prevent slippage of the utensils from the slots. In one embodiment, the exchanger 10 has one or more spirally-wound layers 12 of a tube 14. If the flow rate exceeds the allowable upper limit determined by the configuration of the apparatus, a warning for urging users to decrease the column inlet pressure and enter the command again is displayed.