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Create a portfolio. Send your portfolio to reputable modeling agencies. Sign with an agent. Go to go-sees to find work.
If you have the money to spare for a portfolio for your hands, then find a photographer you trust to get you started. If you find a photographer who is just starting out too, then they may work with you for a small price, or no price at all, since you'll be helping them build their portfolio too. Make sure you get a professional manicure before you take those photos. Here are some other things to consider as you put your portfolio together: Learn common hand poses. Study magazine ads and commercials to see how hands pose and move. Mimic those poses and movements for your portfolio. Include at least one photo showing your face so that if they need a shot that includes someone's face, they'll consider you (and also so they can recognize you when they meet you). Include a straight on shot of the back of your hands and the palms of your hands. Tell them that your are specifically interested in hand modeling and request an interview. Some agencies may have a separate department for hand modeling, or some agencies will be parts agencies specifically. Tell them that you have a portfolio and if they ask whether it's professional, be honest but specify that they simulate professional ads. Be politely persistent until you get an interview. If an agent thinks your hands have the look they want, then congratulations! You have made it through a tough hurdle on the hand modeling trajectory. Once you've got the offer from the agent, however, you have to make sure that it's the right for you. First of all, the agent has to be legitimate. A legitimate agent won't charge for money up front and will only get paid if you get paid. Agents typically receive a percentage of your pay, so they are motivated to find you work. Make sure to meet the agent or speak to them at length before you make a decision. Look good for the meeting with the agent. Even though you're modeling your hands, you still want to give off a professional impression, and that means looking neat and nice. They might send you out on calls (more interviews) eventually, and they'll want you to represent them well. If all goes well, they'll send you to do test shots with a local photographer to see if you've got what it takes. Once you've met with the agent and have gotten a positive vibe from them, as well as proof of the agent's legitimacy (names and samples of the work of other clients, for example), then carefully study the contract you are given and sign it when you're ready. Once you've signed with the agent, they will provide you with some places to go to look for work. These are called go-sees, just like in the world of traditional modeling. You will have to go from place to place, show off your hands, and see if you've got what they're looking for. Your agent won't be able to say, "Hey, I found you a great gig" -- they can get you to the gig, but you'll still have to work for it. Once you've found some work, you'll be able to add it to your resume. And the more experience you have, the more luck you'll have in future go-sees. Be persistent. You may have to go to a number of go-sees before you find work. But if your agent thinks you've got the look, then you should be able to find work eventually.