“ For those familiar with cantrips, you know they are minor acts of magic that have hardly any noticable effect on the world. For example a cantrip to make your food taste better won't heal you any more, or be any more nourishing, just won't make it so hard to get it down. A light cantrip certainly won't be able to blind or even distract anybody, but you might be able flash it to signal someone looking at the right spot. 
What if children's nusery ryhmes were a form of cantrip? Like the 'Rain, Rain, go away, come again another day.' One child singing it wouldn't do more than spare her house a couple raindrops, but what if the whole village got together and was chanting in unison? Each one doing just a bit might actually be able to divert a whole storm...”
                        
                     
                                    
                        “ There is a land where every person wears spectacles.  Those without eyeglasses are considered to be the lowest stratum of society, so adventurers without glasses are treated like outcastes.  It certainly would explain those heroes wearing sunglasses for no apparent reason...”
                        
                     
                                    
                        “ Appearing a small ballista bolt, this bolt' is actually an arrow used by a god from a long-dead pantheon. Some sages theorize it was a weapon crafted by Loki to slay the world tree.  Why it was never used escapes them however.
The spear has a divine-level anti-plant effect.  When driven into the soil point first, an ever widening circle of destruction radiates out from the point, killing any plant material.  Perfect for holding a kingdom's food supply for ransom.  Any who bear this device are cursed so any plant-based materials they touch crumbles to ash.”