In the art of conjuring, lapping refers to a set of techniques whereby a performer seated at a table can secretly dispose of an item into his/her lap. A common lapping technique is to sweep an item into the lap while pretending to pick it off the tabletop.

Two issues with lapping: 1) one must prepare the lap beforehand so that objects do not slip between the legs 2) retrieval of the lapped object(s).

Subtle uses of lapping, such as secret switches or disposing of secret devices, enable effects that would not otherwise be possible. Stand-up magicians, such as "table-hoppers" at restaurants, may need to use a Topit

Topit

A Topit is a utility device used by magicians to dispose of objects secretly. It plays a similar role in the magician's toolkit to pulls, holdouts, servantes, and techniques such as sleeving or lapping. While the original Topit booklet by Patrick Page was put out by Davenports Magic Co...

 or other device to obtain a similar effect, due to their inability to lap.

The magician Slydini was particularly noted for his brilliant lapping technique, which relied heavily on subtle misdrection.