What are the 3 sizes for the Cervical Denneroll?
[embed]https://youtu.be/_tYNymo3nbM[/embed] Cervical Denneroll comes in 3 Sizes The Cervical (neck) Denneroll is a device that Chiropractors use to help improve the flexibility and alignment of neck posture and alignment. There are 3 sizes for the Cervical Denneroll,