Transporting a French Lop safely requires equipment designed for a large, heavy animal that startles easily. A sturdy, hard-sided carrier is the best option for veterinary visits and car travel. Look for a carrier rated for at least fifteen to twenty pounds, with a top-opening lid in addition to a front door — top access makes it far easier to lift a reluctant, heavy rabbit in and out without twisting its spine or putting pressure on delicate limbs.
Line the carrier floor with a non-slip mat or towel to give the rabbit secure footing during transit. Rabbits that slide around on a slick surface become stressed quickly, and stress in rabbits can trigger GI stasis. A familiar-smelling blanket or a handful of hay in the carrier also helps keep the rabbit calm during the ride.
Harnesses and leashes are popular for supervised outdoor time, but they require careful fitting and realistic expectations. A well-designed rabbit harness distributes pressure across the chest and shoulders rather than the neck — never use a collar and leash on a rabbit, as their cervical spine is fragile and can be injured by a sudden pull. The harness should be snug enough that the rabbit cannot wriggle free, but loose enough to slide two fingers underneath.
Keep in mind that leash walks with a rabbit look nothing like walks with a dog. The rabbit leads, and the human follows. Forcing a rabbit to walk in a specific direction creates stress and resistance. Many French Lop owners find that a secure outdoor pen provides a better balance of fresh-air enrichment and safety than a harness and leash, especially for rabbits that have not been harness-trained from a young age.