A spinner assembly, comprising: a jaw assembly having a first body adjacent to a second body, the first body comprising a first plurality of rollers (110A, 110B) and the second body comprising a second plurality of rollers (110C, 110D); an actuator; a first linkage assembly coupled between the first body of the jaw assembly and the actuator, the first linkage assembly comprising: a first pair of links, a first bushing extending between the first pair of links, a first bar fixed to the first bushing, a second bar coupled to the first bar of the first linkage assembly by a first pin, a third bar coupled to the second bar of the first linkage assembly by a second pin, wherein the third bar of the first linkage assembly is fixed to the first body, and a fourth pin forming a first pivot point and extending through the first bushing and through the first pair of links; and a second linkage assembly coupled between the second body of the jaw assembly and the actuator, the second linkage assembly comprising: a second pair of links, a second bushing extending between the second pair of links, a first bar fixed to the second bushing, a second bar coupled to the first bar of the second linkage assembly by a first pin, a third bar coupled to the second bar of the second linkage assembly by a second pin, wherein the third bar of the second linkage assembly is fixed to the second body, and a fourth pin forming a second pivot point and extending through the second bushing and through the second pair of links; wherein the first linkage assembly and the second linkage assembly are configured to move the first body and the second body laterally along a substantially linear plane between an open position and a closed position by actuating and retracting the actuator. a jaw assembly having a first body adjacent to a second body, the first body comprising a first plurality of rollers (110A, 110B) and the second body comprising a second plurality of rollers (110C, 110D); an actuator; a first linkage assembly coupled between the first body of the jaw assembly and the actuator, the first linkage assembly comprising: a first pair of links, a first bushing extending between the first pair of links, a first bar fixed to the first bushing, a second bar coupled to the first bar of the first linkage assembly by a first pin, a third bar coupled to the second bar of the first linkage assembly by a second pin, wherein the third bar of the first linkage assembly is fixed to the first body, and a fourth pin forming a first pivot point and extending through the first bushing and through the first pair of links; and a first pair of links, a first bushing extending between the first pair of links, a first bar fixed to the first bushing, a second bar coupled to the first bar of the first linkage assembly by a first pin, a third bar coupled to the second bar of the first linkage assembly by a second pin, wherein the third bar of the first linkage assembly is fixed to the first body, and a fourth pin forming a first pivot point and extending through the first bushing and through the first pair of links; and a second linkage assembly coupled between the second body of the jaw assembly and the actuator, the second linkage assembly comprising: a second pair of links, a second bushing extending between the second pair of links, a first bar fixed to the second bushing, a second bar coupled to the first bar of the second linkage assembly by a first pin, a third bar coupled to the second bar of the second linkage assembly by a second pin, wherein the third bar of the second linkage assembly is fixed to the second body, and a fourth pin forming a second pivot point and extending through the second bushing and through the second pair of links; a second pair of links, a second bushing extending between the second pair of links, a first bar fixed to the second bushing, a second bar coupled to the first bar of the second linkage assembly by a first pin, a third bar coupled to the second bar of the second linkage assembly by a second pin, wherein the third bar of the second linkage assembly is fixed to the second body, and a fourth pin forming a second pivot point and extending through the second bushing and through the second pair of links; wherein the first linkage assembly and the second linkage assembly are configured to move the first body and the second body laterally along a substantially linear plane between an open position and a closed position by actuating and retracting the actuator.