Trailer lock

A lock for securing a hitch coupler and for securing at least a first safety chain hook, the hitch coupler having a plurality of surfaces and being attached at a forward end of a trailer's towing tongue, and the at least first safety chain hook being attached by the safety chain to the towing tongue, the lock comprising:

• (a) a primary locking component comprising an enclosure having a floor and a ceiling;
• (b) a bolt fixedly attached to and extending into the enclosure from the floor;
• (c) a seam segmenting the primary locking component, the seam facilitating movements of the ceiling between a first position and a second position, wherein, upon a movement of the ceiling to the first position, the ceiling overlies the bolt, and wherein, upon a movement toward the second position, the ceiling displaces away from the first position;
• (d) a releasable latch fixedly attached to the primary locking component, said latch being adapted for resisting the movements of the ceiling toward the second position;
• and
• (e) a secondary locking component comprising at least a first chain hook receiving eye, said eye opening into the enclosure.