Is it prohibited to add a fifth species to the four?

What are the required quantities of each of the four species?

1 opinions

Is binding the three species together obligatory?

2 opinions

In which hands must the lulav and etrog be held?

2 opinions

When must the blessing be recited relative to taking the four species?

2 opinions

Can the lulav be held via a handle, wrapper, or with rings/tefillin on the hand?

2 opinions

How does one perform the lulav shaking (na'anu'im)?

2 opinions

Do all four species block each other — i.e., if one is missing, do the others fulfill the obligation?

2 opinions