operator control of handle heating as can also be appreciated by one of skill in the art aperture ap can be operatively linked to a plurality of operator control apparatuses i e a rotatable handle grip a control lever a switch etc so that the operator can control the opening and closing of one or more apertures ap and effectively control handle h heating as a non limiting example and as illustrated in fig1 handle grip hg can be operatively linked to aperture ap wherein handle grip hg is rotatable on handle h wherein the rotation of handle grip hg manipulates aperture ap through cable c a further embodiment of the present subject matter is illustrated in fig2 3 b and 11 wherein handle h comprises a muffling structure ms such that as exhaust ex flows through the interior of handle h the engine noise associated with exhaust ex is at least partially attenuated essentially handle h effectively becomes a muffler with the incorporation of this embodiment as illustrated in fig2 and 3 b muffling structure ms can comprise a muffling structure attached to handle h or alternatively muffling structure ms can comprise a muffling structure or material comprised within or associated with handle h as illustrated.