Cannot be used as Synchro Material, except for the Synchro Summon of a "Dragunity" monster. This card on the field can be treated as a Level 4 monster when used for a Synchro Summon. If this card is currently equipped to a monster: You can Special Summon this equipped card.
Can be used as synchro material for Dragunity Synchro monsters.
The Winged Beast Dragunity monsters can easily equip Dragunity Course. Dragunity Senatus equips from the deck, Dragunity Dux and Dragunity Legionnaire, and Dragunity Legion equip from the graveyard. You can also use Dragunity Divine Lance to equip Dragunity Course from your deck.
Here are some of the monsters you can make when using Dragunity Course. If you Synchro Summon a level-6 Dragunity monster, equip it with Dragunity Course. Special Summon Dragunity Course and synchro climb to Dragunity Knight - Ascalon.