Had taken 2 Collars außversehen 4 Collars ordered. Send back 2 and hope that I get soon credited the difference. The collars I can give a strong buy recommendation. Very stable and our dogs (see customer images) do not notice this. Through the quick release with safety to make it very facilitated to and open. Securing it would take my mind not, but what you have, that has one. Kalre buy recommendation
