As an example of a cutter for a router there is this at ?7.49
Are such cutter bits OK, at least where the cuts which have to be made are parallel to a surface?
Such bits all seem to be too small to cut out the crescent shape of a biscuit slot. How are they used in order to get the slot the right shape? Is there some sort of template? If not enough wood is removed the biscuit won't fit. If too much material is taken away the joint would be weakened. Surely it's not supposed to be done by hand.
A low-price biscuit jointer at ?33.50 is
(Amazon.com product link shortened)
Would it be fair to say that the lower-priced ones may have various issues but are all of similar quality, all having usability issues that the owner can work around? There are some at around ?65 but I wonder if they would be much different from the Silverline one (especially as it has been reduced).