It is always good idea to have a defensive format that all players use. Here is a coaches view on a squeeze option

This footage shows how one team developed their ability to be able to perform a 'two man settle' and 'dump split' The progression approach works nicely for this team.
Some extensions:
Add defender
Initiating the Touch 
Adding a touchdown opportunity
 Adding a pass off at the end

This is a timed drill. This particular tree man drive drill was used by the coach each week. The team naturally got better. 
Some extensions:
Add defenders
Add wrap option
Add move to end of drives 

It is always good idea to have a defensive format that all players use. Here is a coaches view on a squeeze option

An intro and briefing on Touch worldwide. Information was last updated in 2009

The ‘Three man drive is a common yardage play. Here a coaches view on what to do and what not to do in a ‘Three man drive’ 

A basic and fun approach to learning the rules in two minutes from the minds of teenage students