The rotosaw spiralsaw from RotoZip makes difficult cuts easy.
Evolution S355MCS 14-in 15-Amp Sliding Corded Miter Saw in the
Power Multi Tools - IHL Canada
ROTOZIP RotoSaw(TM) Spiral Saw Tool - 5.5 A SS355-10CAN
Rotozip Rotosaw SS355-10 Corded Spiral Saw Kit 120V 5.5 Amp
230V 135W Mini rotary tool - Amtech
HDRT3120 LCD Screen Corded Variable-Speed Rotary Tool – Hardell
SAW SPIRAL 120V
Rotozip SS355-20 5.5 Amp High Speed Spiral Saw System with 2
Dremel 5.5 Amp Corded 1/4 in. Rotary RotoSaw Spiral Saw Tool Kit