Douglas was set to share in Bruce's early misfortunes, being present at the defeats at Methven and Battle of Dalrigh. But for both men these setbacks were to provide a valuable lesson in tactics: limitations in both resources and equipment meant that the Scots would always be at a disadvantage in conventional medieval warfare. By the time the war was renewed in the spring of 1307 they had learnt the value of guerrilla warfare – known at the time as "secret war" – using fast moving, lightly equipped and agile forces to maximum effect against an enemy often locked into static defensive positions.