Clutch comprising: an axis of rotation; a pressure plate including: a plurality of protrusions; and, a groove in each of said protrusions; a pivot ring including: a plurality of circumferentially curved portions; a plurality of engagement portions, each engagement portion being: at least partially disposed in the respective groove; circumferentially disposed between respective first and second circumferentially curved portions from the plurality of circumferentially curved portions; characterized by: an alignment portion; a first stiffened attachment portion extending in a first straight line from the alignment portion to the first circumferentially curved portion; and, a second stiffened attachment portion extending in a second straight line from the alignment portion to the second circumferentially curved portion; and, first and second circumferential distal ends (110A, 110B) fixed to the pressure plate; and, a plurality of levers displaceable to close the clutch, each lever pivotably connected to the respective engagement portion. an axis of rotation; a pressure plate including: a plurality of protrusions; and, a groove in each of said protrusions; a plurality of protrusions; and, a groove in each of said protrusions; a pivot ring including: a plurality of circumferentially curved portions; a plurality of engagement portions, each engagement portion being: at least partially disposed in the respective groove; circumferentially disposed between respective first and second circumferentially curved portions from the plurality of circumferentially curved portions; characterized by: an alignment portion; a first stiffened attachment portion extending in a first straight line from the alignment portion to the first circumferentially curved portion; and, a second stiffened attachment portion extending in a second straight line from the alignment portion to the second circumferentially curved portion; and, first and second circumferential distal ends (110A, 110B) fixed to the pressure plate; and, a plurality of levers displaceable to close the clutch, each lever pivotably connected to the respective engagement portion. a plurality of circumferentially curved portions; a plurality of engagement portions, each engagement portion being: at least partially disposed in the respective groove; circumferentially disposed between respective first and second circumferentially curved portions from the plurality of circumferentially curved portions; characterized by: an alignment portion; a first stiffened attachment portion extending in a first straight line from the alignment portion to the first circumferentially curved portion; and, a second stiffened attachment portion extending in a second straight line from the alignment portion to the second circumferentially curved portion; and, first and second circumferential distal ends (110A, 110B) fixed to the pressure plate; and, a plurality of levers displaceable to close the clutch, each lever pivotably connected to the respective engagement portion. at least partially disposed in the respective groove; circumferentially disposed between respective first and second circumferentially curved portions from the plurality of circumferentially curved portions; characterized by: an alignment portion; a first stiffened attachment portion extending in a first straight line from the alignment portion to the first circumferentially curved portion; and, a second stiffened attachment portion extending in a second straight line from the alignment portion to the second circumferentially curved portion; and, first and second circumferential distal ends (110A, 110B) fixed to the pressure plate; and, a plurality of levers displaceable to close the clutch, each lever pivotably connected to the respective engagement portion. an alignment portion; a first stiffened attachment portion extending in a first straight line from the alignment portion to the first circumferentially curved portion; and, a second stiffened attachment portion extending in a second straight line from the alignment portion to the second circumferentially curved portion; and, first and second circumferential distal ends (110A, 110B) fixed to the pressure plate; and, a plurality of levers displaceable to close the clutch, each lever pivotably connected to the respective engagement portion.