The lemongrass marinade can be refrigerated overnight.
Sugarcane swizzle sticks are available in the fruit department of many large supermarkets. Alternatively, look for canned sugarcane in syrup at Asian markets; you'll have to drain the sugarcane and cut it into lengthwise sticks with a sharp knife.
These sweet-salty shrimp go perfectly with a white wine full of tropical fruit and a touch of spicewhich is what winemakers create by blending Gewürztraminer and Riesling. Look for one from South Australia.