Instrument: Percussion Corer
Capable of being performed in numerous environments, percussion coring techniques are just as they sound. Similar to push coring (in which the core barrel is pushed into the sediment by hand), in percussion coring, the core is driven into the sediment by a percussion instrument such as a mallet or slide hammer.
Description from: https://web.whoi.edu/coastal-group/about/how-we-work/field-methods/coring/
Universal Percussion Corer (Aquatic Research Instruments, Hope, Indiana): Hand-operated sediment coring device.