Vision: Looking at hazelnuts: right now don’t argue with your neighbors or colleagues. Cracking hazelnuts: it will take a lot of effort on your part to successfully finish a certain task. Eating hazelnuts: make an appointment with your dentist.
Depth Psychology: Nuts are a symbol of difficult problems, but the results—ain a nutshell”—will turn into an asset. Tackle the problem, “crack” the nut!
It sumbolises wealth in abundance which the observer will obtain.