Heart Hands Gesture LoRA for SDXL 1.0.
Main trigger phrase is "heart hands".
Put it at the very beginning and perhaps even increase it weight: "(heart hands)"
Describe also the subject such as "1girl" or "1boy".
Some other helpful tokens are: "heart hands duo", "4-fingers heart hands", "heart", "heart in heart hands", "looking at viewer" depending on the composition you want achieve.
There is also a special Euler sampler that increases chances of better hands: https://github.com/Koishi-Star/Euler-Smea-Dyn-Sampler
GitHub - Koishi-Star/Euler-Smea-Dyn-Sampler: A sampler base on Euler, aim at generating better picture/一种基于Euler的采样方法，旨在生成更好的图片It has a few variants of samplers that work with SD1.5, SDXL, and Stable Cascade.
The main trigger phrase is absolutely necessary as it was trained with it. Try putting the phrase at the very beginning of the prompt as the diffusion model will pay more attention and focus on the things that appear early in the prompt. You can also increase the trigger phrase weight further like 1.5 or perhaps even 2.0.