Boxing Basic by Scott Bolinger: Level 3 and 4

In this book, it shows the level 3 and 4 medicine ball routine and the level 3 and 4 coaches mitt routine. Level 3 medicine ball is a advanced exercise routine, level 4 you'll need a partner for that exercise routine. Level 3 mitt work is more advanced block and counter. In level 4 mitt work, you're working the jab, pressuring and working striking angles.