Private owners are free to transport livestock and other animals without the need for any special documentation. If you're relocating a horse as part of your job, however, you'll need to have a commercial driver's license (CDL) on file in your state. You can apply for your CDL by visiting the Driver Services Division of your local DMV. In order to be eligible for a CDL in the United States, you must be at least 21 years of age and hold a commercial learner's permit for 14 days or longer. You'll be issued your CDL by mail after passing a short exam and paying the associated fees, which vary state- to-state. Turn the crank on the back of the trailer clockwise to raise the coupling. Align the coupling with your trailer hitch, then turn the crank counterclockwise to lower it into position. Take a moment to ensure that the two components fit together squarely. After hooking up the trailer, secure the connection site by sliding the latch pin into the slot at the top of the coupling. If you're going to be using your own vehicle to tow a horse trailer, study the vehicle's specifications to find out whether its towing capacity is equal to the trailer's Maximum Authorized Mass (MAM). For additional security, consider winding a length of chain around the hitch to act as a fail safe in the event that the trailer somehow comes uncoupled. You can't afford to rush your trailer hookupthe last thing you want is to slip a hitch on a busy highway or interstate with your horse in tow! Examine the vehicle inside and out to look for damaged or dysfunctional components. Test all lights on both your towing vehicle and trailer and make sure secondary features like the windshield wipers and horn are fully operational. Don't forget to put air in your tires and top off your fuel and fluid levels if necessary, as well. It's also a good idea to keep a copy of your horse's legal and medical paperwork stashed in your glove compartment just in case you happen to get stopped. Taking the time to confirm that your vehicle is in good working order will help you avoid problems once you're on the road. First, place a rubber mat along the entire length of the truck or trailer so your horse will have traction. This helps your horse avoid falling over on the smooth metal surface. Then, spread a thick layer of hay, wood shavings, or whatever bedding material your horse is used to over the entire bottom surface. Without a rubber mat, it's easy for a horse to accidentally fall while the trailer is moving. This will make the compartment more comfortable and inviting to your horse. It will also absorb any urine or manure that's released during the trip. Scattering some bedding onto the ramp when it comes time to load your horse can also improve its footing and help calm its nerves by presenting it with a familiar sight. The shavings also help lighten the feeling inside the trailer. Horses don't like going into dark spaces, as these places feel like a pit to them. You want your trailer to be as bright as possible.
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One-sentence summary -- Obtain a commercial driver's license for business-related trips. Double-check that tow trailers have been properly connected. Perform a thorough safety inspection of your vehicle. Cover the floor of the truck or trailer with a rubber mat and bedding material.

This is the golden rule. Many inexperienced bird owners don't realize that a lot of bird species, especially certain breeds of parrots, consider touch below the neck to be a kind of breeding ritual. As a result, frequently petting a bird around its back, wings, or tail can lead to all kinds of behavioural problems later on. While this isn't the case for every bird, they also tend to prefer being petted on the head and neck more than anything anyway, because those are the only spots they can't reach by themselves. So, it's generally better to just stay above the neck. Everyone is happier that way. This will help it to get used to you, and works as a good starting point. Be sure to be very gentle, especially when the bird is just starting to experience petting. Unlike most pets, it's generally agreed that birds prefer being petted against the natural direction of their feathers, rather than from the head towards the tail. This is good to keep in mind. You can try to gently rub the skin just behind the its beak and the sides of its head, if it still seems relaxed and comfortable. Birds also tend to enjoy being petted around their ears. (Take care around the eyes, though.) Birds also tend to enjoy being scratched under their beaks. Again, though, don't go lower than the neck if possible, in order to keep the bird comfortable. Most birds require some time to get to know and trust a person before they will allow petting or other forms of affection. However, once you've gained a bird's trust, they prove to be exceptionally loyal. Be very gentle and very patient, and it's very likely you'll get there soon enough.
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One-sentence summary --
Don't pet below the bird's neck. Start by lightly touching or petting the bird's beak. Pet towards the beak, not the tail. Gradually shift your touch to the sides of the bird's head. When the bird seems relaxed and more used to petting, try petting the back of its head and neck. Be patient.