Thai Satay With Spicy Peanut Sauce

• 40 bamboo skewers
• 7 seeded chilies (dried)
• 3 from the root
• 2 1/2 galanga
• 2 cilantro roots
• 1 1/2 lemon grass
• 1,200 gr consistency coconut
• 525 gr pork
• 180 ml coconut milk (thick)
• 80 ml creamy peanut butter