177 a a lower shaft 177 b and a spring 179 the guide arm 35 provides a shock absorbing or damping means to the system 10 as said system 10 is being utilized the guards 176 a 176 b and shafts 177 a 177 b comprise a tubular shape which enable the connection cable 100 to be routed from the main support arm 50 to the motor 250 the upper guard 176 a is attached to a lower surface of the main support arm 50 and the lower guard 176 b is attached to an upper intermediate surface of the cutting head 30 the diameter of the lower guard 176 b is slightly smaller than the diameter of the upper guard 176 a to enable said lower guard 176 b to slidably travel within said upper guard 176 a the guards 176 a 176 b eliminate debris from an internal portion of the guide arm 35 the shafts 177 a 177 b are positioned within the guards 176 a 176 b and are encompassed by the spring 179 which provides a recoiling means to the guide arm 35 the upper shaft 177 a is also attached to a lower surface of the main support arm 50 and the lower shaft 177 b is also attached to an upper intermediate surface of the cutting head 30 likewise the diameter of the lower shaft 177 b is slightly smaller than the diameter of the upper shaft 177 a.