Green’s Dictionary of Slang

1. tools; usu. implements for burglary.

1941		V. Davis Phenomena in Crime 251: April fools. Meaning tools. Burglarious implements and the like.
1960		J. Franklyn Dict. Rhy. Sl.
1971		J. Jones Rhy. Cockney Sl.
1981		P. Wright Cockney Dialect and Sl. 103: April Fools (Aprils) ‘tools’.

2. stool(s) (for sitting).

1960		J. Franklyn Dict. Rhy. Sl.
1971		J. Jones Rhy. Cockney Sl.

3. football pools.

1960		J. Franklyn Dict. Rhy. Sl.
1971		J. Jones Rhy. Cockney Sl.