Because manufacturing molds and CNC programming are incredibly expensive, minimum order quantities are usually required. However, extremely small runs of 12 sets often point to a "private group buy" or a prototype run. These are offered only to close friends of the designer or a VIP tier of the community, bypassing traditional retail entirely. This grassroots method of production allows for radical experimentation in keyboard layout, weight, and aesthetics that massive corporations would deem too risky to produce. Conclusion
Common custom modifications for a y157 product might include: Tanya y157 cstm -12 sets-