The mark consists of a product configuration being a main portion in the form of an elongated capsule shape having an inner face with a border therearound, and tab extending from the bottom of the border, the inner face having 3 vertically arranged indented circular buttons bearing, respectively, a plus sign, a minus sign, and a power sign, the word "tensi" below the power sign next to a drop image with a cross inside; between the plus and minus signs, two circles above and below an elongated capsule outline, in the upper left an image of a power bolt partially overlapping a circle; two straps extending outwardly from the long sides of the elongated capsule and an upper lower pad affixed to the rear of the elongated capsule.