Rate My Ab Work out

[RIDSTUGREAT]

Tell me what you think of my ab work out ?
Will i get good abs ? looking to get sixpack or close
Tell me wot you think

Jack-knife Sit-up
Crunch
Side Bend
Pull Plate over head it works abs some how
Legs on sommit high sit ups

I do 4 sets of 20

I do this monday , wed and thursday

also do cardio to bring bf down