Here is an interesting picture that I cam across today of an unidentified unit, most likely Western Front from 1917 on, judging from the stahlhelms. Note the one soldier in the front right appears to be wearing grenade bags along with the rest of his kit. It also appears they are wearing rucksacks and one has a pommel bag strapped to the rear.
From all the excess equipment and the rucksacks that the soldiers are carrying, it would appear that this unit was making an administrative move rather than a tactical move with combat a possibility.
The photographic evidence above supports what Kraus’ findings in regard to rucksack use by the cavalry and provides yet more documentation to support our impressions. It’s little details like this that help up to do a better job with our living history.
KB 2 Chevauleger Regiment 
Very interesting ! – I am just curious, do you know the nature of the javelin like poles they are all carrying I’ve never seen anything quite like them, especially in 1917 and for cavalry.
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Basically they’re lances and they were standard issue in the German Cavalry throughout the war. They were roughly 6 feet long and made of hollow steel. They’re clumsy to ride with, trust me. Some of the British cavalry regiments also were issued lances but they were made from bamboo with steel tips.
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