Ball for exercising underchallenged sheepdogs or cattle dogs is made up of twelve pentagons of wear-resistant, double-layered canvas sewn together and stuffed with wadding, six bands of bite-resistant material being sewn along its edges
摘要
<p>The ball for underchallenged sheepdogs or cattle dogs is made up of twelve pentagons of wear-resistant, double-layered canvas sewn together and stuffed with wadding. Six bands of bite-resistant material are sewn along the edges of the ball.</p>
