<human>: Goal: How to create a long leash for your dog?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Link together several leashes and attach to your dogs collar so that your dog has some range to wander
- Link together several collars and attach to your dogs leash so that your dog has some range to wander
<bot>: Link together several leashes and attach to your dogs collar so that your dog has some range to wander