Nightingale's Love Introducing...our new design, Nightingale. A mix of our d-ring & martingale design, this martingale is adorned by four d-rings (two on each side) held in place by large spike rivets all on 3/4" Biothane/faux leather instead of our shop standard 5/8" leather! Pre-set Variations: Available to request via the order notes at checkout. Otherwise, all colors/hardware will match what is chosen singularly. Dark - All gunmetal hardware on black biothane/faux leather with all gunmetal spikes. Light - Gunmetal hardware on white biothane/faux leather with alternating black and gunmetal spikes. Rainbow - Rainbow metal hardware on black biothane/faux leather with rainbow metal spikes. Pink - Silver hardware on pastel pink biothane/faux leather with all pink spikes. Pastel Blue - Silver hardware on pastel pink/pastel blue biothane/faux leather with all alternating baby pink/baby blue spikes. B&W - Silver hardware on white/black biothane/faux leather with all alternating black and silver spikes. Amethyst - Gunmetal hardware on black biothane/faux leather with alternating matte black and metallic purple spikes. Magic Purple - Rainbow metal hardware on black biothane/faux leather with metallic purple spikes and a purple pentacle centerpiece.