This trick allows you to skip most of the Adult trading sequence. This trick is commonly known as "Hold R Lol". This trick only works on versions 1.0 and 1.1. It is particularly useful in 100% and Ganonless. There are multiple ways to do this. One way is to target the wall on the right and sidewalk left until you can barely read the sign. Read the sign and then reload the area and King Zora will be unfrozen. Then when you talk to him hold R and he will give you the Eyeball Frog instead of the Zora Tunic.
Another method uses an Adult trade item to unfreeze him: