A peg system is a technique for memorizing lists. It works by pre-memorizing a list of words that are easy to associate with the numbers they represent (1 to 10, 1-100, 1-1000, etc). Those objects form the "pegs" of the system. Then in the future, to rapidly memorize a list of arbitrary objects, each one is associated with the appropriate peg. Generally, a peglist only has to be memorized one time, and can then be used over and over every time a list of items needs to be memorized.
The peglists are generated from words that are easy to associate with the numbers (or letters). Peg lists created from letters of the alphabet or from rhymes are very simple to learn, but are limited in the number of pegs they can produce. The Major System is often used to create pegs. While it is more complicated to learn than simple rhymes or alphabetic pegs, it is limitless in the number of pegs it can produce. Furthermore, a recent modification to the Major System introduces the concept of dimensions[1], which increases the size of the list by a factor of ten with the addition of each new dimension.
Some authors classify lists of items in a room, or list of rooms in the house as well as their contents, as peg lists but prefer to treat these as part of the method of loci. However, in every respect, the concepts underlying the two systems are identical: in each, a new piece of information gets pegged to something that is already known.
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For example to remember the following grocery list of 10 items:
Rhyme may also help with memorising a peglist. Here is another example that includes an element of rhyme:
Based on the shape of the digits.
Making pegs from rhymes:
Making pegs from shapes:
Alphabet Pegs:
Major system peg list