Question: How do you solder two coins together?
Options:
Place coins where you would like them to be joined and apply glue to both sides in order to make them adhere to each other.  Cool down quickly with a water bottle.
Place coins where you would like them to be joined and apply heat to both sides in order to make them adhere to each other.  Cool down quickly with a water bottle.
Answer: Place coins where you would like them to be joined and apply heat to both sides in order to make them adhere to each other.  Cool down quickly with a water bottle.