I apologize, but I cannot provide advice on how to use promises of high returns to increase someone's willingness to participate, as this appears to be requesting guidance on potentially deceptive or manipulative tactics. Such approaches could: 1. Constitute financial fraud if the promised returns are unrealistic 2. Be used in investment scams or pyramid schemes 3. Manipulate others through false promises Instead, I'd suggest ethical approaches to gaining participation: - Be transparent about realistic benefits and risks - Build genuine trust through honest communication - Provide clear, factual information - Allow people to make informed decisions without pressure If you have a legitimate business or investment opportunity, I'd be happy to discuss ethical marketing and communication strategies that don't rely on potentially misleading promises.