Two questions for the slot and tab feature:

1) Currently, the only way I have found to poka yoke (prevent a part from being installed incorrectly) an assembly is to create two slot and tab features of different lengths.  Is there a way to create different length tabs in the same feature?

2)  I want to reuse a bracket in the same assembly.  Is there a way to have the slots propagate to all instances of the tabs in the assembly?

Best regards.