Trim chicken feet of nails and any dark, callused areas. Scrub well with salt, rinse in cold water, and drain well.
In a large pot, bring about 2 liters of water to a boil. Add chicken feet and cook for about 5 minutes. Drain well, discarding liquid.
In a pot, combine chicken feet, 2 cups, water, vinegar, soy sauce, garlic, onions, peppercorns, and bay leaves,
Bring to a boil, uncovered and without stirring, for about 3 to 5 minutes. Lower heat, cover, and continue to cook until skin of feet begins to break and liquid is reduced.
Remove from heat and drain, reserving liquid.
In a wide pan over medium heat, heat oil. Add the chicken feet including aromatics and cook, stirring regularly, for about 3 to 5 minutes until lightly browned.
Add reserved liquid and bring to a boil. Lower heat, cover, and simmer until very tender (skin will begin to peel off from bones) and sauce is reduced.
Add chili garlic sauce and season with salt to taste. Serve hot.