I think this is best dicing up a whole or halved pickles but you could use relish if you want. I prefer dill but bread and butter pickles work fine too if you prefer those. Chop up into small bite size pieces and add to your bowl.
Chop up the imitation crab into small bite size pieces and put into bowl too with mayonnaise and stir until well coated.
Serve on crackers or in between 2 slices of bread if you prefer.