How to choose and buy gratified flexibly compass

Compass is an indispensable tool in feng shui master, although the emphasis of the various different, need a compass type also vary, but overall, the compass of choose and buy should pay attention to the following aspects:

1. Tianchi needle and tianchi red line to correct, are the end point to 0 degrees, end point to 180 degrees.

2. The identity of a cross.Reticle respectively with 0 degrees, 90 degrees, 180 degrees, 270 degrees, there can be no deviation.

3. Inside dish flexible rotation, but not too loose, clear on the disk.

4. Outside dish founder, smooth edges.

5. Usually the bigger the better appearance, but also depends on personal preferences.