Quality English Leather Side Reins, 3/4"/19mm wide, with Stainless Steel fittings.
These side reins are available either plain leather or with double Elastic (same colour as leather) inserts.
They have Stainless Steel Trigger Clips, for ease of attachment.
Used to encourage the horse to work in the correct outline.
The elastic version offer some "give".
The clip attaches to the bit, the other buckle end to the girth, under the saddle flap.
One size only, fully adjustable.